On 9/09/2013 5:52 a.m., Guido van Rossum wrote:
Well, to me zip(*x) is unnatural, and it's inefficient when the arrays are long.

Would it be worth having a transpose() function in the stdlib
somewhere, that returns a view instead of copying the data?

I'd be hesitant to add just that one function, given that there's hardly any support for multi-dimensional arrays in the stdlib. (NumPy of course has a transpose(), and that's where it arguably belongs.) 
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On Sun, Sep 8, 2013 at 5:26 PM, Greg <greg.ewing@canterbury.ac.nz> wrote:
On 9/09/2013 5:52 a.m., Guido van Rossum wrote:
Well, to me zip(\*x) is unnatural, and it's inefficient when the arrays are long.

Would it be worth having a transpose() function in the stdlib
somewhere, that returns a view instead of copying the data?

I'd be hesitant to add just that one function, given that there's hardly any support for multi-dimensional arrays in the stdlib. (NumPy of course has a transpose(), and that's where it arguably belongs.)

--
--Guido van Rossum (python.org/\~guido)